Terminal display assembly and mobile terminal

ABSTRACT

The present disclosure provides a terminal display assembly and a mobile terminal. The terminal display assembly includes a display screen, a first light-transmissive cover plate, a light-shielding member and a second light-transmissive cover plate. The display screen defines a first through hole. The first light-transmissive cover plate covers the display screen and defines a second through hole. The second through hole and the first through hole are in communication with each other. The second through hole has a size larger than that of the first through hole to form a supporting surface on the display screen. The second light-transmissive cover plate is provided on the supporting surface to cover the first through hole. The light-shielding member is located between the first light-transmissive cover plate and the second light-transmissive cover plate. The embodiments of the present disclosure may increase display areas of the terminal display assembly.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priorities to Chinese Patent Application Nos.201820204240.7 and 201810114276.0, all filed on Feb. 5, 2018, thecontents of which are herein incorporated by reference in theirentireties.

TECHNICAL FIELD

The present disclosure relates to the technical field of terminals, andparticularly to a terminal display assembly and a mobile terminal.

BACKGROUND

With the development of communication technologies, mobile terminals,for example, smart phones, are getting increasingly popular, and have awide range of applications, such as photographing, chatting, and playinggames. The mobile terminal has more and more functions and more and moreinternally mounted devices, especially more and more devices on a faceof the mobile terminal where a screen is mounted. Under the circumstancethat the size of the mobile terminal remains unchanged, display areas ofthe display screen tend to be sacrificed and reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in theembodiments of the present disclosure, a brief introduction will be madebelow to the drawings required to be used in the description of theembodiments. Evidently, the drawings in the following description areonly some embodiments of the present disclosure. Those skilled in theart can further obtain other drawings without any creative workaccording to these drawings.

FIG. 1 is a structural diagram of a mobile terminal according to anembodiment of the present disclosure, which shows a front view and aback view of the mobile terminal.

FIG. 2 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure.

FIG. 3 is a cross-sectional view of the mobile terminal of FIG. 2 in anA-A direction.

FIG. 4 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure.

FIG. 5 is a cross-sectional view of the mobile terminal of FIG. 4 in aB-B direction.

FIG. 6 is a structural diagram of a terminal display assembly accordingto an embodiment of the present disclosure.

FIG. 7 is a cross-sectional view of the terminal display assembly ofFIG. 6 in a C-C direction.

FIG. 8 is another cross-sectional view of the terminal display assemblyof FIG. 6 in the C-C direction.

FIG. 9 is another cross-sectional view of the terminal display assemblyof FIG. 6 in the C-C direction.

FIG. 10 is another cross-sectional view of the terminal display assemblyof FIG. 6 in the C-C direction.

FIG. 11 is another cross-sectional view of the terminal display assemblyof FIG. 6 in the C-C direction.

FIG. 12 is another cross-sectional view of the mobile terminal of FIG. 4in the B-B direction.

FIG. 13 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure, which shows a front view and aback view of the mobile terminal.

FIG. 14 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure, which shows a front view and aback view of the mobile terminal.

FIG. 15 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure.

FIG. 16 is another structural diagram of a mobile terminal according toan embodiment of the present disclosure.

DETAILED DESCRIPTION

The disclosure will now be described in detail with reference to theaccompanying drawings and examples. Apparently, the describedembodiments are only a part of the embodiments of the presentdisclosure, not all of the embodiments. All other embodiments obtainedby a person of ordinary skill in the art based on the embodiments of thepresent disclosure without creative efforts shall fall within theprotection scope of the present disclosure.

In the specification, it is to be understood that terms such as“central”, “longitudinal”, “lateral”, “length”, “width”, “thickness”,“upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”,“horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise” and“counterclockwise” should be construed to refer to the orientation asthen described or as shown in the drawings under discussion. Theserelative terms are for convenience of description and do not requirethat the present invention be constructed or operated in a particularorientation. In addition, terms such as “first” and “second” are usedherein for purposes of description and are not intended to indicate orimply relative importance or significance or to imply the number ofindicated technical features. Thus, the feature defined with “first” and“second” may comprise one or more of this feature. In the description ofthe present invention. “a plurality of” means two or more than two,unless specified otherwise.

In the present disclosure, unless specified or limited otherwise, terms“mounted”, “connected”, “coupled” and the like are used in a broadsense, and may include, for example, fixed connections, detachableconnections, or integral connections; may also be mechanical orelectrical connections; may also be direct connections or indirectconnections via intervening structures; may also be inner communicationsof two elements, as can be understood by those skilled in the artdepending on specific contexts.

In the present disclosure, unless specified or limited otherwise, astructure in which a first feature is “on” or “below” a second featuremay include an embodiment in which the first feature is in directcontact with the second feature, and may also include an embodiment inwhich the first feature and the second feature are not in direct contactwith each other, but are contacted via an additional feature formedtherebetween. Furthermore, a first feature “on”, “above” or “on top of”a second feature may include an embodiment in which the first feature isright or obliquely “on”, “above” or “on top of” the second feature, orjust means that the first feature is at a height higher than that of thesecond feature; while a first feature “below”, “under” or “on bottom of”a second feature may include an embodiment in which the first feature isright or obliquely “below”, “under” or “on bottom of” the secondfeature, or just means that the first feature is at a height lower thanthat of the second feature.

Various embodiments and examples are provided in the followingdescription to implement different structures of the present disclosure.In order to simplify the present disclosure, certain elements andsettings will be described. However, these elements and settings areonly by way of example and are not intended to limit the presentdisclosure. In addition, reference numerals may be repeated in differentexamples in the present disclosure. This repeating is for the purpose ofsimplification and clarity and does not refer to relations betweendifferent embodiments and/or settings. Furthermore, examples ofdifferent processes and materials are provided in the presentdisclosure. However, it would be appreciated by those skilled in the artthat other processes and/or materials may be also applied.

It should be understood that, the “communication terminal” (alsoreferred to as “terminal”) used herein includes, but is not limited to,a device that is configured to receive/transmit communication signalsvia a wireline connection, such as via a public-switched telephonenetwork (PSTN), digital subscriber line (DSL), digital cable, a directcable connection, and/or another data connection/network, and/or via awireless interface with, for example, a cellular network, a wirelesslocal area network (WLAN), a digital television network such as a DVB-Hnetwork, a satellite network, an AM-FM broadcast transmitter, and/oranother communication terminal. A communication terminal that is set tocommunicate over a wireless interface may be referred to as a, “wirelesscommunication terminal”, “wireless terminal” and/or “mobile terminal”.Examples of the mobile terminal include, but are not limited to, asatellite or cellular radiotelephone; a Personal Communications System(PCS) terminal that may combine a cellular radiotelephone with dataprocessing, facsimile and data communications capabilities; a PDA thatcan include a radiotelephone, pager, Internet/intranet access, Webbrowser, organizer, calendar and/or a global positioning system (GPS)receiver; and a conventional laptop and/or palmtop receiver or otherappliance that includes a radiotelephone transceiver.

The embodiments of the present disclosure provide a terminal displayassembly and a mobile terminal, which will be described below separatelyin details. The terminal display assembly may be provided in the mobileterminal. The mobile terminal can be a smart phone, a tablet PC, or thelike.

Reference is now made to FIG. 1, which is a structural diagram of amobile terminal according to an embodiment of the present disclosure.The mobile terminal 10 may include a cover plate 11, a display screen12, a circuit board 13, a battery 14, a housing 15, a front camera 161,a rear camera 162, and a fingerprint unlocking module 17. It should benoted that the mobile terminal 10 is not limited to the above contents,and may further include other means, or may not include the rear camera16, or may not include the fingerprint unlocking module 17.

The cover plate 11 is mounted onto the display screen 12 to cover thedisplay screen 12. The cover plate 11 can be a transparent glass coverplate so that the display screen 12 displays through thelight-transmissive cover plate 11. In some embodiments, the cover plate11 can be a glass cover plate made of a material, for example, sapphire.

The housing 15 can form an outer contour of the mobile terminal 10. Insome embodiments, the housing 15 may include a middle frame 151 and arear cover 152. The middle frame 151 and the rear cover 152 are combinedwith each other to form the housing 15. The middle frame 151 and therear cover 152 may form a receiving space for receiving the circuitboard 13, the display screen 12, the battery 14 and the like. Further,the cover plate 11 can be fixed to the housing 15. The cover plate 11and the housing 15 form a sealed space to accommodate the circuit board13, the display screen 12, the battery 14 and the like. In someembodiments, the cover plate 11 is provided on and covers the middleframe 151; the rear cover 152 is provided on and covers the middle frame151; the cover plate 11 and the rear cover 152 are located on oppositefaces of the middle frame 151; and the cover plate 11 and the rear cover152 are disposed to face each other.

In some embodiments, the housing 15 can be a metal housing, for example,magnesium alloy, stainless steel, or the like. It should be noted thatthe material of the housing 15 according to the embodiments of thepresent disclosure is not limited thereto, and may also adopt othermanners. For example, the housing 15 can be a plastic housing. Foranother example, the housing 15 is a ceramic housing. For still anotherexample, the housing 15 may include a plastic portion and a metalportion, and the housing 15 may have a housing structure where metal andplastic mate with each other. Specifically, the metal portion may beformed first, for example, a magnesium alloy substrate is formed byinjection molding, and plastic is then injection-molded on the magnesiumalloy substrate to form a plastic substrate. An integral housingstructure is thus formed.

It should be noted that the structure of the housing according to theembodiments of the present disclosure is not limited thereto. Forexample, the rear cover and the middle frame may also be integrallyshaped to form an integral housing 15 structure. The housing directlyhas a receiving space for receiving the circuit board 13, the displayscreen 12, the battery 14 and the like.

The circuit board 13 is mounted within the housing 15. The circuit board13 can be a mainboard of the mobile terminal 10. The circuit board 13can be integrated with one, two, or more of functional componentsincluding a motor, a microphone, a speaker, an earphone interface, auniversal serial bus interface, the front camera 161, the rear camera162, a distance sensor, an ambient light sensor, a receiver, and aprocessor.

In some embodiments, the circuit board 13 can be fixed within thehousing 15. Specifically, the circuit board 13 can be screwed to themiddle frame 151 by screws, or can be clamped onto the middle frame 151by means of a buckle. It should be noted that a specific manner in whichthe circuit board 13 is fixed to the middle frame 151 in the embodimentof the present disclosure is not limited thereto, and may also adoptother manners, for example, a manner of fixing by means of both thebuckle and the screws.

The battery 14 is mounted within the housing 15 and is electricallyconnected to the circuit board 13 to provide electrical power to themobile terminal 10. The housing 15 can function as a battery cover ofthe battery 14. The housing 15 covers the battery 14 to protect thebattery 14. In particular, the rear cover 152 covers the battery 14 toprotect the battery 14, thereby reducing damage to the battery 14 due tocollision and falling of the mobile terminal 10.

The display screen 12 is mounted within the housing 15. Meanwhile, thedisplay screen 12 is electrically connected to the circuit board 13 toform a display surface of the mobile terminal 10. The display screen 12can include a display area and a non-display area. The display area canbe used to display pictures of the mobile terminal 10 or can be providedfor a user to perform touch manipulation or the like. A top portion ofthe non-display area is provided with an opening for sound and lighttransmission, and a bottom portion of the non-display area can beprovided with such functional components as a fingerprint module and atouch press-key. The cover plate 11 is mounted on the display screen 12to cover the display screen 12. The same display area and non-displayarea as the display screen 12 may be formed, and different display areasand non-display areas may also be formed.

In some embodiments, the display screen 12 can be a liquid crystaldisplay (LCD) or an organic light-emitting diode display (OLED). In someembodiments, when the display screen 12 is LCD, the display screen 12may include a backlight module, a lower polarizer, an array substrate, aliquid crystal layer, a color film substrate, and an upper polarizerwhich are stacked sequentially. When the display screen 12 is OLED, thedisplay screen 12 may include a base layer, an anode layer, an organiclayer, an electrically conductive layer, an emission layer, and acathode layer which are stacked sequentially. In some embodiments, thedisplay screen 12 can be a transparent display screen, and can also be anon-transparent display screen.

It should be noted that the structure of the display screen 12 is notlimited thereto. For example, the display screen 12 can be aspecial-shaped screen.

Reference is now made to FIG. 2, which is another structural diagram ofa mobile terminal according to an embodiment of the present disclosure.The mobile terminal 20 includes a cover plate 21, a display screen 22, acircuit board 23, a battery 24, and a housing 25. The mobile terminal 20differs from the mobile terminal 10 in that: the display screen 22 has alight-transmissive area directly formed thereon. For example, thedisplay screen 22 is provided with a through hole 221 penetratingthrough the display screen 22 in a thickness direction. Optical devicessuch as a front camera, a headphone and a sensor can be provided at theposition of the through hole 221 to facilitate signal transmission. Thecover plate 21 can cover the position of the through hole 221, and canalso be provided with a corresponding through hole.

Hereinafter, the light-transmissive area as a through hole 221 isexemplified for description.

Reference is now made to FIG. 3, which is a cross-sectional view of themobile terminal of FIG. 2 in an A-A direction. The mobile terminal 20can include an optical device mounted at one position of the throughhole 221. The optical device is exemplified by a camera module 26. Itshould be noted that the optical device can also be integrated with suchmeans as sensors. In some embodiments, the camera module 26 isexemplified by a camera. The camera module 26 can also be integratedwith other optical device. The lens of the camera module 26 can be atleast partially received within the through hole 221. The camera module26 can be directly integrated on the circuit board 23, and can also becoupled thereto by a signal line. The circuit board 23 is mounted withinthe housing 25. The cover plate 21 is provided on and covers the displayscreen 22, and the cover plate 21 covers the through hole 221. Thehousing 25 may be referred to the above housing 15; the circuit board 23may be referred to the above circuit board 13; and the battery 24 may bereferred to the above battery 14. Details are not described herein.

In some embodiments, the through hole 221 may also be one, two or more.The through hole 221 can be adjacent to an edge of the display screen22, for example, the through hole 221 is adjacent to an end of thedisplay screen 22. The through hole 221 can also be adjacent to otherlocations of the display screen 22, such as adjacent to a side of thedisplay screen 22, adjacent to a corner position of the display screen22, or located at a middle position of the display screen 22. Thethrough hole 221 may be a circular hole or a rectangular hole. Thethrough hole 221 may also have other shapes, for example, an irregularhole.

As can be learned from above, the camera module 26 according to theembodiment of the present disclosure can realize photographing andvideo-recording through the through hole 221, without involving a needto additionally provide a camera on the mobile terminal. The displayscreen of the present disclosure covers a peripheral position of thehousing 25; and as compared to providing a camera on the non-displayarea at the edge position of the display screen, the display area of thedisplay screen is increased, with the size of the mobile terminalunchanged.

However, when the display screen 22 illuminates, light rays of thedisplay screen 22 will be reflected or refracted into the through hole221. The camera module 26 may result in interference during thephotographing or video-recording process, affecting the imaging effectof the camera module 26 and thereby deteriorating imaging quality of thecamera module 26.

Accordingly, the Applicant of the present disclosure has devised anothermobile terminal to reduce or avoid interference with the camera module26 caused by light rays from the display screen 22 when illuminating.

Reference is now made to FIG. 4 which is another structural diagram of amobile terminal according to an embodiment of the present disclosure andFIG. 5 which is a cross-sectional view of the mobile terminal of FIG. 4in a B-B direction. The mobile terminal 20 may include a firstlight-transmissive cover plate 21, a second light-transmissive coverplate 27, a display screen 22, a circuit board 23, a battery 24, ahousing 25, a light-shielding member 28, and an optical device. Thedisplay screen 22, the circuit board 23, the battery 24, and the housing25 can be referred to the above contents, and details are not describedherein.

The optical device is exemplified by a camera module 26 (referring toFIG. 5). The camera module 26 may include a base 262 and a lens 261mounted on the base 262.

The first light-transmissive cover plate 21, the secondlight-transmissive cover plate 27, the display screen 22, and thelight-shielding member 28 may form an assembly structure, for example, aterminal display assembly. In actual production and manufactureprocedures, the display screen 22 may be first formed, and then thefirst light-transmissive cover plate 21, the second light-transmissivecover plate 27 and the light-shielding member 28 are respectivelymounted on the display surface of the display screen 22 and areassembled to form a terminal display assembly. The terminal displayassembly is exemplified below for detailed description.

Reference is now made to FIG. 6 which is a structural diagram of aterminal display assembly according to an embodiment of the presentdisclosure and FIG. 7 which is a cross-sectional view of the terminaldisplay assembly of FIG. 6 in a C-C direction. The terminal displayassembly 200 may include a first light-transmissive cover plate 21, asecond light-transmissive cover plate 27, a display screen 22, and alight-shielding member 28.

The display screen 22 defines a first through hole 221 penetratingthrough the display screen 22 in a thickness direction thereof. Thefirst through hole 221 may be circular, rectangular or of other shape.Herein, the circular shape is exemplified for description. The firstthrough hole 221 may be adjacent to the edge of the display screen 22,or may be located at other positions of the display screen 22. The firstthrough hole 221 may also be one, two or more, and herein, one throughhole is exemplified for description. The size of the first through hole221 may be larger than that of the lens 261 of the camera module 26 asshown in FIG. 5. For example, the diameter of the first through hole 221is larger than that of the lens 261. The lens 261 is at least partiallyreceived within the first through hole 221.

The first light-transmissive cover plate 21 is provided on and coversthe display screen 22. The first light-transmissive cover plate 21 is atransparent cover plate, for example, a light-transmissive glass coverplate made of a light-transmissive glass material, or alight-transmissive sapphire cover plate made of a light-transmissivesapphire material. The first light-transmissive cover plate 21 defines asecond through hole 211 penetrating through the first light-transmissivecover plate 21 in a thickness direction thereof. The second through hole211 may be circular, rectangular or of other structure, and herein, thecircular shape is exemplified for description. The number and positionof the second through holes 211 are configured to correspond to those ofthe first through holes 221. The second through hole 211 is incommunication with the first through hole 221, and overlaps with thefirst through hole 221 in a direction perpendicular to the displayscreen 22. The diameter of the second through hole 211 is larger thanthe diameter of the first through hole 221 to form a stepped surface 222on the display screen 22.

It should be noted that the stepped surface 222 is formed on the displayscreen 22, and is parallel to a display surface of the display screen22. Therefore, the stepped surface 222 is actually a supporting surfacewhich is a portion of the display screen 22 exposed through the secondthrough hole 211.

In some embodiments, the first light-transmissive cover plate 21 can bebonded to the display surface of the display screen 22 by an opticaladhesive. The optical adhesive is molded to form an opticallytransparent adhesive layer 29 which is configured to be transparent.That is, the first light-transmissive cover plate 21 is bonded to thedisplay screen 22 via the optically transparent adhesive layer 29. Theoptically transparent adhesive layer 29 defines a fourth through hole291 which is formed at a position of the first through hole 221 and isin communication with the first through hole 221. The fourth throughhole 291 overlaps with the first through hole 221 in a directionperpendicular to the display screen 22. The fourth through hole 291 canbe circular, rectangular or of other shape, and herein, the circularshape is exemplified for description. The diameter of the fourth throughhole 291 is greater than or equal to that of the first through hole 221.The optically transparent adhesive layer 29 may extend to at least aportion of the stepped surface 222. It should be noted that theoptically transparent adhesive layer 29 may also not extend to thestepped surface 222.

The light-shielding member 28 is provided on the display screen 22.Specifically, the light-shielding member 28 is provided on the steppedsurface 222. When the optically transparent adhesive layer 29 isprovided on the stepped surface 222, the light-shielding member 28 isprovided on the optically transparent adhesive layer 29. Thelight-shielding member 28 is made of a light-shielding material and hasa light-shielding effect. For example, the light-shielding member 28 ismade of a metal material such as stainless steel, aluminum alloy,magnesium alloy or the like. The light-shielding member 28 can also bemade of light-shielding ink or other light-shielding material. Thelight-shielding ink can block visible light and ultraviolet light toform a light-shielding ink layer. The light-shielding ink layer can beblack or silver white. The light-shielding ink layer can be formed onthe second light-transmissive cover plate 27 by means of printing.Moreover, the light-shielding ink layer has a thin thickness and anexcellent light-shielding effect.

In some embodiments, the light-shielding member 28 has a bottom wall 281and a side wall 282 that forms a receiving space 284 around the bottomwall 281. The bottom wall 281 is provided on the optically transparentadhesive layer 29 at the upper portion of the stepped surface 222, andmay define a third through hole 283 penetrating through the bottom wall281 in a thickness direction thereof. The third through hole 283 is incommunication with the first through hole 221, and overlaps with thefirst through hole 221 in a direction perpendicular to the displayscreen 22. The diameter of the third through hole 283 may be largerthan, smaller than, or equal to that of the first through hole 221.Herein, that the diameter of the third through hole 283 is smaller thanthat of the first through hole 221 is exemplified for description,whereby a width of the bottom wall 281 in a direction parallel to thedisplay screen 22 increases and may extend to above the first throughhole 221, thereby achieving the effect of better blocking light raysrefracted or reflected from the display screen 22.

The side wall 282 is adjacent to the first light-transmissive coverplate 21, and a free end of the side wall 282 can be flush with an outersurface of the first light-transmissive cover plate 21. It should benoted that the outer surface of the first light-transmissive cover plate21 is a face away from the display screen 22. It should be further notedthat the free end of the side wall 282 may also be lower than the outersurface of the first light-transmissive cover plate 21, that is, a sumof the height of the side wall 282 and the thickness of the bottom wall281 is smaller than the thickness of the first light-transmissive coverplate 21. The outer surface of the first light-transmissive cover plate21 may extend and form an extension to cover the side wall 282.

The second light-transmissive cover plate 27 is provided within thereceiving space 284, is superimposed on the bottom wall 281, and coversthe first through hole 221 and the third through hole 283. The secondlight-transmissive cover plate 27 can also cover the fourth through hole291. The second light-transmissive cover plate 27 is configured to belight-transmissive, for example, configured to be a light-transmissiveglass cover plate made of a light-transmissive glass material, or alight-transmissive sapphire cover plate made of a light-transmissivesapphire material. In some embodiments, an outer surface of the secondlight-transmissive cover plate 27 can be flush with the free end of theside wall 282, that is, the thickness of the second light-transmissivecover plate 27 is equal to the height of the side wall 282. It should benoted that the outer surface of the second light-transmissive coverplate 27 is a face away from the display screen 22. The thickness of thesecond light-transmissive cover plate 27 may also be greater than theheight of the side wall 282. For example, the second light-transmissivecover plate 27 extends from a periphery of the outer surface thereof andbeyond an extension which covers the side wall 282. The outer surface ofthe second light-transmissive cover plate 28 is flush with the outersurface of the first light-transmissive cover plate 21.

In some embodiments, a portion of the bottom wall 281 extends to abovethe first through hole 221, which not only can enhance thelight-shielding effect, but also may increase the area of connection tothe second light-transmissive cover plate 27, thereby achieving theeffect of protecting the second light-transmissive cover plate 27.

As can be learned from above, the first through hole 221, the fourththrough hole 291, the third through hole 283, and the second throughhole 211 according to the embodiments of the present disclosure are incommunication with each other, and overlap somewhat with each other in adirection perpendicular to the display screen 22 to form mutuallycommunicated channels available for signals to pass through.Accordingly, in the embodiments of the present disclosure, when thedisplay screen 22 illuminates, light rays refracted or reflected by thedisplay screen 22 to the positions of the first through hole 221 and thesecond through hole 211 can be blocked by the bottom wall 281 and theside wall 282, respectively, and thus cannot enter the positions of thefirst through hole 221 and the second through hole 211. Thereby, it ispossible to ensure that optimal means such as a camera, an ambient lightsensor, a proximity sensor and the like, transmit signals via the firstthrough hole 221 and the second through hole 211, thereby avoiding thelight rays of the display screen 22 from interfering therewith.

According to the embodiment of the present disclosure, when the displayscreen 22 of the terminal display assembly 200 illuminates, light raysdirected towards the direction of the second light-transmissive coverplate 27 in the light ray refraction and reflection procedures areblocked by the light-shielding member. Then, the light rays of thedisplay screen 22 will not enter the second light-transmissive coverplate 27, and thus will not affect the effect of transmitting, by theoptical device, signals to the outside via the first through hole 221.It should be noted that the structure of the terminal display assembly200 is not limited thereto.

Reference is now made to FIG. 8, which is another cross-sectional viewof the terminal display assembly of FIG. 6 in the C-C direction. Theterminal display assembly 200 shown in FIG. 8 differs from that of FIG.7 in that: the second light-transmissive cover plate 27 has a projection271 extending in a direction of an inner surface thereof, where theprojection 271 is formed in manner of extending toward the displayscreen 22. The surface of the projection 271 can be flush with thesurface of the bottom wall 281. The periphery of the projection 271 canbe connected to the bottom wall 281. Thereby, it is possible to improvestrength of the second light-transmissive cover plate 27 and strength ofconnection between the second light-transmissive cover plate 27 and thelight-shielding member 28.

Therefore, the above embodiment of the present disclosure achieves alight-shielding effect in two different directions via the bottom wall281 and the side wall 282 of the light-shielding member 28. It should benoted that the structure of the light-shielding member 28 is not limitedthereto.

Reference is now made to FIG. 9 which is another cross-sectional view ofthe terminal display assembly of FIG. 6 in the C-C direction. Theterminal display assembly 200 shown in FIG. 9 differs from that of FIG.7 in that: the second light-transmissive cover plate 27 is directlyprovided on the optically transparent adhesive layer 29 provided on thestepped surface 222 to cover the first through hole 221, and thelight-shielding member 28 is directly provided on the opticallytransparent adhesive layer 29 provided on the stepped surface 222. Thelight-shielding member 28 and the second light-transmissive cover plate27 are arranged side by side. The light-shielding member 28 is providedat a periphery of the second light-transmissive cover plate 27, and islocated between the first light-transmissive cover plate 21 and thesecond light-transmissive cover plate 27. The light blocking member 28can also block light rays of the display screen 22 to reduce impact ofthe light rays of the illuminating display 22 on the optical device.

Reference is now made to FIG. 10, which is another cross-sectional viewof the terminal display assembly of FIG. 6 in the C-C direction. Theterminal display assembly 200 shown in FIG. 10 differs from that of FIG.7 in that: the light-shielding member 28 is directly provided on thestepped surface 222, rather than on the periphery of the secondlight-transmissive cover plate 27; the second light-transmissive coverplate 27 is directly provided on the light-shielding member 28; and thesecond light-transmissive cover plate 27 and the light-shielding member28 are configured in a stacked manner. The light-shielding member 28 canalso block light rays of the display screen 22 to reduce impact of thelight rays of the illuminating display screen 22 on the optical device.

Reference is now made to FIG. 11, which is another cross-sectional viewof the terminal display assembly of FIG. 6 in the C-C direction. Theterminal display assembly 200 shown in FIG. 11 differs from that of FIG.10 in that: the second light-transmissive cover plate 27 has aprojection 271 extending from the inner surface thereof, where theprojection 271 can be referred to the projection shown in FIG. 8 anddetails are not described herein.

As can be learned from above, in the embodiment of the presentdisclosure, when the terminal display assembly 200 is mounted onto thehousing 25 of the mobile terminal 20, the camera module 26 or otheroptical device can be mounted at the position of the first through hole221 of the display screen 22, or the lens 261 of the camera module 26 isdirectly mounted within the first through hole 221. It is possible tonot only reduce space occupied by optical devices such as the cameramodule 26, but also block light rays refracted or reflected by thedisplay screen 22 via the light-shielding member 28 to reduce or avoidinterference with optical devices such as the camera module 26 caused bythe light rays generated by the display screen 22.

It should be noted that the optical device, for example, the lens 261 ofthe camera module 26, can be received not only within the first throughhole 221 but also within the third through hole 283. Reference is nowmade to FIG. 12, which is another cross-sectional view of the mobileterminal of FIG. 4 in the B-B direction. The lens 261 of the cameramodule 26 is received within the first through hole 221 and the thirdthrough hole 283.

It should be noted that the structure of the display screen is notlimited thereto. For example, the display screen 22 is provided with anon-display area, and the light-transmissive area may include thenon-display area.

Reference is now made to FIG. 13, which is another structural diagram ofa mobile terminal according to an embodiment of the present disclosure.The mobile terminal 20 of FIG. 13 differs from the mobile terminaldescribed above in that: the mobile terminal 20 includes a primaryterminal display assembly 200 and a secondary terminal display assembly2, wherein the primary terminal display assembly 200 is mounted on oneface of the housing 25 and the secondary terminal display assembly 2 ismounted on the other face of the housing 25; i.e., the primary terminaldisplay assembly 200 and the secondary terminal display assembly 2 areprovided on opposite faces of the housing 25, respectively. In someembodiments, the display area in the primary terminal display assembly200 is larger than that in the secondary terminal display assembly 2. Insome embodiments, the primary terminal display assembly 200 can bereferred to the above terminal display assembly 200, and details are notdescribed herein. The secondary terminal display assembly 2 may includea display screen and a cover plate, wherein the display screen and thecover plate can be referred to the above contents.

It should be noted that the secondary terminal display assembly 2 mayalso include two cover plates and a light-shielding member.Specifically, reference is made to FIG. 14, which is another structuraldiagram of a mobile terminal according to an embodiment of the presentdisclosure. The mobile terminal 200 shown in FIG. 14 differs from thatof FIG. 13 in that: the primary terminal display assembly 200 includes adisplay screen and a cover plate, but does not include a light-shieldingmember; and the secondary terminal display assembly 2 may include twocover plates, a display screen, and a light-shielding member. Thestructure of the secondary terminal display assembly 2 can be referredto the above contents, and details are not described herein.

Reference is now made to FIG. 15, which is another structural diagram ofa mobile terminal according to an embodiment of the present disclosure.The mobile terminal in FIG. 15 differs from that of FIG. 1 in that: themobile terminal 30 in FIG. 15 includes a display screen 32, a coverplate 31, a circuit board 33, a battery 34, and a housing 35. Thedisplay screen 32 is provided at a periphery thereof with a notch 321 inwhich optical devices such as a front camera, a headphone and a sensorcan be placed. The cover plate 31 is configured to be adapted to thestructure of the display screen 32. The cover plate 31 can be providedwith an equally sized notch in the notch 321. The cover plate 31 canalso cover the position of the notch 321. It should be noted that: thehousing 35 can be referred to the above housing 15; the circuit board 33can be referred to the above circuit board 13, and the battery 34 can bereferred to the above battery 14, which will not be described herein.

It should be further noted that, in some embodiments, the display screen12 may also not include a non-display area, but may be configured tohave a full-screen structure; and optical devices such as a distancesensor and an ambient light sensor may be disposed below the displayscreen or at other positions. Specifically, reference is made to FIG.16, which is another structural diagram of a mobile terminal accordingto an embodiment of the present disclosure. The mobile terminal 40includes a display screen 42, a cover 41, a circuit board 43, a battery44, and a housing 45. The display screen 42 covers the housing 45 andhas no non-display area. The cover plate 41 is configured to be adaptedto the size of the display screen 42. It should be noted that: thehousing 45 can be referred to the above housing 15; the circuit board 43can be referred to the above circuit board 13; and the battery 44 can bereferred to the above battery 14, which will not be described herein.

The terminal display assembly and the mobile terminal according to theembodiments of the present disclosure are described above in detail.Specific examples are employed in the present disclosure to illustratethe principles and embodiments of the present disclosure. The abovedescription of the embodiments is simply made to facilitateunderstanding the present disclosure. Meanwhile, one skilled in the artmay make any modifications to the specific embodiments and applicationscope based on the idea of the present disclosure. In sum, the contentsset forth in the present description shall not be construed as limitingthe present disclosure.

What is claimed is:
 1. A terminal display assembly, comprising: adisplay screen defining a first through hole penetrating through thedisplay screen in a thickness direction of the display screen; a firstlight-transmissive cover plate provided on and covering the displayscreen and defining a second through hole penetrating through the firstlight-transmissive cover plate in a thickness direction thereof, thesecond through hole and the first through hole being in communicationwith each other, the second through hole having a size larger than thatof the first through hole to form a supporting surface on the displayscreen, the supporting surface being a portion of the display screenexposed through the second through hole; and a second light-transmissivecover plate provided on the supporting surface to cover the firstthrough hole and provided at a periphery thereof with a light-shieldingmember around the periphery of the second light-transmissive coverplate, the light-shielding member being located between the firstlight-transmissive cover plate and the second light-transmissive coverplat.
 2. The terminal display assembly according to claim 1, wherein thedisplay screen and the first light-transmissive cover plate are bondedby an optically transparent adhesive layer, and the light-shieldingmember is bonded to the optically transparent adhesive layer.
 3. Theterminal display assembly according to claim 1, wherein a surface of thefirst light-transmissive cover plate is flush with a surface of thesecond light-transmissive cover plate.
 4. The terminal display assemblyaccording to claim 1, wherein a height of the light-shielding member isequal to a thickness of the second light-transmissive cover plate. 5.The terminal display assembly according to claim 1, wherein thelight-shielding member is made of a metal material or a light-shieldingink.
 6. The terminal display assembly according to claim 1, wherein thelight-shielding member is made of an aluminum alloy or stainless steelmaterial.
 7. The terminal display assembly according to claim 1, whereineach of the first through hole and the second through hole is a circularthrough hole.
 8. A terminal display assembly, comprising: a displayscreen defining a first through hole penetrating through the displayscreen in a thickness direction of the display screen; a firstlight-transmissive cover plate provided on and covering the displayscreen and defining a second through hole penetrating through the firstlight-transmissive cover plate in a thickness direction thereof, thesecond through hole and the first through hole being in communicationwith each other, the second through hole having a size larger than thatof the first through hole to form a supporting surface on the displayscreen, the supporting surface being a portion of the display screenexposed through the second through hole; a light-shielding memberprovided on the supporting surface; and a second light-transmissivecover plate provided on the light-shielding member to cover the firstthrough hole.
 9. The terminal display assembly according to claim 8,wherein the display screen and the first light-transmissive cover plateare bonded by an optically transparent adhesive layer, and thelight-shielding member is at least partially bonded to the opticallytransparent adhesive layer.
 10. The terminal display assembly accordingto claim 8, wherein a surface of the first light-transmissive coverplate is flush with a surface of the second light-transmissive coverplate.
 11. The terminal display assembly according to claim 8, whereinthe light-shielding member is made of a metal material or alight-shielding ink.
 12. The terminal display assembly according toclaim 8, wherein the light-shielding member is made of an aluminum alloyor stainless steel material.
 13. The terminal display assembly accordingto claim 8, wherein the second light-transmissive cover plate has aprojection extending from an inner surface thereof, and the projectionis connected to the light-shielding member.
 14. The terminal displayassembly according to claim 13, wherein a surface of the light-shieldingmember is flush with a surface of the projection.
 15. The terminaldisplay assembly according to claim 8, wherein each of the first throughhole and the second through hole is a circular through hole.
 16. Amobile terminal, comprising: a housing; and a terminal display assemblyprovided within the housing, wherein the terminal display assemblycomprises: a display screen defining a first through hole penetratingthrough the display screen in a thickness direction of the displayscreen; a first light-transmissive cover plate provided on and coveringthe display screen and defining a second through hole penetratingthrough the first light-transmissive cover plate in a thicknessdirection thereof, the second through hole and the first through holebeing in communication with each other, the second through hole having asize larger than that of the first through hole to form a supportingsurface on the display screen, the supporting surface being a portion ofthe display screen exposed through the second through hole; a secondlight-transmissive cover plate provided in the second through hole; anda light-shielding member made of a light-shielding material, wherein thelight-shielding member is located between the first light-transmissivecover plate and the second light-transmissive cover plate or locatedbetween the display screen and the second light-transmissive coverplate.
 17. The mobile terminal according to claim 16, wherein the mobileterminal comprises an optical device provided at a position of the firstthrough hole.
 18. The mobile terminal according to claim 17, wherein theoptical device comprises a camera module, the camera module comprising alens provided within the first through hole.
 19. The mobile terminalaccording to claim 16, wherein the terminal display assembly is asecondary terminal display assembly of the mobile terminal, and themobile terminal comprises a primary terminal display assembly providedon the housing and having a larger display area than the secondaryterminal display assembly, the primary terminal display assembly and thesecondary terminal display assembly being respectively provided onopposite faces of the housing.
 20. The mobile terminal according toclaim 16, wherein the terminal display assembly is a primary terminaldisplay assembly of the mobile terminal, and the mobile terminalcomprises a secondary terminal display assembly provided on the housing,the primary terminal display assembly having a larger display area thanthe secondary terminal display assembly, the primary terminal displayassembly and the secondary terminal display assembly being respectivelyprovided on opposite faces of the housing.